American democracy has a problem — a voting problem. According to a new study of U.S. Census data, America has more registered voters than actual live voters. It’s a troubling fact that puts our nation’s future in peril.

The data come from Judicial Watch’s Election Integrity Project. The group looked at data from 2011 to 2015 produced by the U.S. Census Bureau’s American Community Survey, along with data from the federal Election Assistance Commission.